13112003233231 has 48 divisors (see below), whose sum is σ = 16569982966464. Its totient is φ = 10316381999616.

The previous prime is 13112003233177. The next prime is 13112003233249. The reversal of 13112003233231 is 13233230021131.

It is not a de Polignac number, because 13112003233231 - 2⁷ = 13112003233103 is a prime.

It is a super-2 number, since 2×13112003233231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13112003233196 and 13112003233205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112003233261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 890301 + ... + 5197753.

It is an arithmetic number, because the mean of its divisors is an integer number (345207978468).

Almost surely, 2^{13112003233231} is an apocalyptic number.

13112003233231 is a deficient number, since it is larger than the sum of its proper divisors (3457979733233).

13112003233231 is a wasteful number, since it uses less digits than its factorization.

13112003233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307600 (or 4307593 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13112003233231 its reverse (13233230021131), we get a palindrome (26345233254362).

The spelling of 13112003233231 in words is "thirteen trillion, one hundred twelve billion, three million, two hundred thirty-three thousand, two hundred thirty-one".